200100002000 has 40 divisors (see below), whose sum is σ = 483841809672. Its totient is φ = 80040000000.

The previous prime is 200100001987. The next prime is 200100002029. The reversal of 200100002000 is 200001002.

It can be written as a sum of positive squares in 4 ways, for example, as 15555136 + 200084446864 = 3944^2 + 447308^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50023001 + ... + 50027000.

Almost surely, 2^200100002000 is an apocalyptic number.

200100002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200100002000 is an abundant number, since it is smaller than the sum of its proper divisors (283741807672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200100002000 is a wasteful number, since it uses less digits than its factorization.

200100002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100050024 (or 100050008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 200100002000 its reverse (200001002), we get a palindrome (200300003002).

The spelling of 200100002000 in words is "two hundred billion, one hundred million, two thousand".